Browse Items (2 total) Browse All Browse by Tag Search Items Creator is exactly "Ruppe, Harry O." Sort by: TitleCreatorIdentifierDate Added "Comments on Problems Relating to the Lunar-Landing Vehicle." Gardner, James P. 1958-11-04 "Appendix to Chapter II of a Survey of Various Vehicle Systems for the Manned Lunar Landing Mission." Ruppe, Harry O. 1961-06-10 Output Formats atom, csv, dc-rdf, dcmes-xml, json, omeka-xml, rss2